GCF (HCF) of 99 and 11
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What is the Greatest Common Divisor of 99 and 11?
Answer
GCF (HCF) of 99 and 11 is
11
Common factors: 1, 11
11 divides 99 (99 ÷ 11 = 9), so the GCF is the smaller number itself.
99 = 32 × 11
11 — prime
| Prime | 99 | 11 | Lowest power |
|---|---|---|---|
| 3 | 32 | — | — |
| 11 | 11 | 11 | 11 |
— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.
GCF = 11
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See Also
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
- Greatest Common Factor of 3 Numbers - Find the Greatest Common Factor (GCF) of three numbers
- Least Common Multiple of 3 Numbers - Find the Least Common Multiple (LCM) of three numbers
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GCF Table
| Number 1 | Number 2 | GCF |
|---|---|---|
| 99 | 1 | 1 |
| 99 | 2 | 1 |
| 99 | 3 | 3 |
| 99 | 4 | 1 |
| 99 | 5 | 1 |
| 99 | 6 | 3 |
| 99 | 7 | 1 |
| 99 | 8 | 1 |
| 99 | 9 | 9 |
| 99 | 10 | 1 |
| 99 | 11 | 11 |
| 99 | 12 | 3 |
| 99 | 13 | 1 |
| 99 | 14 | 1 |
| 99 | 15 | 3 |
| 99 | 16 | 1 |
| 99 | 17 | 1 |
| 99 | 18 | 9 |
| 99 | 19 | 1 |
| 99 | 20 | 1 |
| 99 | 21 | 3 |
| 99 | 22 | 11 |
| 99 | 23 | 1 |
| 99 | 24 | 3 |
| 99 | 25 | 1 |
| 99 | 26 | 1 |
| 99 | 27 | 9 |
| 99 | 28 | 1 |
| 99 | 29 | 1 |
| 99 | 30 | 3 |